IT Nursery
I have a list of orders. I want to select orders based on a set of order statuses. So essentially select orders where order.StatusCode in ("A", "B", "C") //...
My query is as follows, and contains a subquery within it: select count(distinct dNum) from myDB.dbo.AQ where A_ID in (SELECT DISTINCT TOP (0.1) PERCENT A_ID, COUNT(DISTINCT dNum) AS ud...
I’ve got two postgresql tables: table name column names ----------- ------------------------ login_log ip | etc. ip_location ip | location | hostname | etc. I want to get every IP...
I changed the datadir of a MySQL installation and all the bases moved correctly except for one. I can connect and USE the database. SHOW TABLES also returns me...
I’ve found a few “would be” solutions for the classic “How do I insert a new record or update one if it already exists” but I cannot get any...
This question already has answers here: Is there an “exists” function for jQuery? (46 answers) Closed 2 years ago. Yes, I know this has been asked a lot. But,...
Is it possible to check if a (MySQL) database exists after having made a connection. I know how to check if a table exists in a DB, but I...
I’m trying to find out if a row exists in a table. Using MySQL, is it better to do a query like this: SELECT COUNT(*) AS total FROM table1...
What is the difference between the EXISTS and IN clause in SQL? When should we use EXISTS, and when should we use IN? 2Best Answer 21 The exists keyword...
How can I check if any of the strings in an array exists in another string? Like: a = ['a', 'b', 'c'] str = "a123" if a in str:...